Hi,I have a good condition Anker Astro2 9000mAh 2-Port External Power Bank with PowerIQ technology (Black) for sale. Selling at $50.- Exclusive PowerIQ Technology: Detects your device to deliver its fastest possible charge speed up to 2.4 amps per port or through two ports- Ultra-low power consumption (100,000 shakes consume less than 1%) 10-LED power meter balances accuracy and aesthetics.- Rech ...